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The National Academy of Science reported that 33% of research in mathematics is published by US authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is no longer 33 %. He has no indication of whether the percentage has increased or decreased since that time. He surveys a simple random sample of 280 recent articles published by reputable mathematics research journals and finds that 108 of these articles have US authors. Does this evidence support the mathematics chairperson's claim that the percentage is no longer 33 % ? Use a 0.01 level of significance. Step 3 of 3: Draw a conclusion and interpret the decision. Answer Tables Keypad Keyboard Shortcuts We reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by O US authors has changed. We reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by O US authors has changed. O We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by US authors has changed. We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics O published by US authors has changed. mala

The National Academy of Science reported that 33% of research in mathematics is published by US authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is no longer 33 %. He has no indication of whether the percentage has increased or decreased since that time. He surveys a simple random sample of 280 recent articles published by reputable mathematics research journals and finds that 108 of these articles have US authors. Does this evidence support the mathematics chairperson's claim that the percentage is no longer 33 % ? Use a 0.01 level of significance. Step 3 of 3: Draw a conclusion and interpret the decision. Answer Tables Keypad Keyboard Shortcuts We reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by O US authors has changed. We reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by O US authors has changed. O We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by US authors has changed. We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics O published by US authors has changed. mala

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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The National Academy of Science reported that 33 % of research in mathematics is published by US authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is no longer 33 %. He has no indication of whether the percentage has increased or decreased since that time. He surveys a simple random sample of 280 recent articles published by reputable mathematics research journals and finds that 108 of these articles have US authors. Does this evidence support the mathematics chairperson's claim that the percentage is no longer 33 % ? Use a 0.01 level of significance. Step 3 of 3: Draw a conclusion and interpret the decision. Answer Keypad Keyboard Shortcuts Tables We reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by 0 US authors has changed. O We reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by US authors has changed. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by US authors has changed. We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics O published by US authors has changed.
Transcribed Image Text:The National Academy of Science reported that 33 % of research in mathematics is published by US authors. The mathematics chairperson of a prestigious university wishes to test the claim that this percentage is no longer 33 %. He has no indication of whether the percentage has increased or decreased since that time. He surveys a simple random sample of 280 recent articles published by reputable mathematics research journals and finds that 108 of these articles have US authors. Does this evidence support the mathematics chairperson's claim that the percentage is no longer 33 % ? Use a 0.01 level of significance. Step 3 of 3: Draw a conclusion and interpret the decision. Answer Keypad Keyboard Shortcuts Tables We reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by 0 US authors has changed. O We reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by US authors has changed. We fail to reject the null hypothesis and conclude that there is insufficient evidence at a 0.01 level of significance that the percentage of research in mathematics published by US authors has changed. We fail to reject the null hypothesis and conclude that there is sufficient evidence at a 0.01 level of significance that the percentage of research in mathematics O published by US authors has changed.
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